442363363243 has 4 divisors (see below), whose sum is σ = 453152713608. Its totient is φ = 431574012880.

The previous prime is 442363363199. The next prime is 442363363249. The reversal of 442363363243 is 342363363244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442363363243 - 2³³ = 433773428651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442363363243.

It is not an unprimeable number, because it can be changed into a prime (442363363249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5394675121 + ... + 5394675202.

It is an arithmetic number, because the mean of its divisors is an integer number (113288178402).

Almost surely, 2^442363363243 is an apocalyptic number.

442363363243 is a deficient number, since it is larger than the sum of its proper divisors (10789350365).

442363363243 is a wasteful number, since it uses less digits than its factorization.

442363363243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10789350364.

The product of its digits is 2239488, while the sum is 43.

Subtracting from 442363363243 its reverse (342363363244), we obtain a palindrome (99999999999).

The spelling of 442363363243 in words is "four hundred forty-two billion, three hundred sixty-three million, three hundred sixty-three thousand, two hundred forty-three".